[ConstraintSystem] Allow to check presence of fix by kind and locator
[ConstraintSystem] Allow to check presence of fix by kind and locator

harlanhaskins/swift,gregomni/swift,JGiola/swift,roambotics/swift,lorentey/swift,gribozavr/swift,atrick/swift,benlangmuir/swift,CodaFi/swift,airspeedswift/swift,parkera/swift,atrick/swift,allevato/swift,JGiola/swift,aschwaighofer/swift,ahoppen/swift,nathawes/swift,roambotics/swift,lorentey/swift,parkera/swift,gregomni/swift,harlanhaskins/swift,glessard/swift,jmgc/swift,airspeedswift/swift,apple/swift,karwa/swift,glessard/swift,roambotics/swift,tkremenek/swift,ahoppen/swift,tkremenek/swift,hooman/swift,allevato/swift,apple/swift,gribozavr/swift,allevato/swift,jckarter/swift,CodaFi/swift,glessard/swift,xwu/swift,xwu/swift,CodaFi/swift,parkera/swift,jckarter/swift,glessard/swift,apple/swift,hooman/swift,aschwaighofer/swift,glessard/swift,harlanhaskins/swift,allevato/swift,atrick/swift,benlangmuir/swift,benlangmuir/swift,nathawes/swift,karwa/swift,jmgc/swift,tkremenek/swift,karwa/swift,xwu/swift,hooman/swift,parkera/swift,nathawes/swift,stephentyrone/swift,gregomni/swift,rudkx/swift,rudkx/swift,airspeedswift/swift,tkremenek/swift,benlangmuir/swift,roambotics/swift,lorentey/swift,glessard/swift,parkera/swift,parkera/swift,karwa/swift,jckarter/swift,stephentyrone/swift,apple/swift,CodaFi/swift,JGiola/swift,rudkx/swift,jckarter/swift,jmgc/swift,rudkx/swift,atrick/swift,stephentyrone/swift,lorentey/swift,tkremenek/swift,JGiola/swift,JGiola/swift,jmgc/swift,atrick/swift,ahoppen/swift,jckarter/swift,gregomni/swift,nathawes/swift,roambotics/swift,xwu/swift,parkera/swift,benlangmuir/swift,gregomni/swift,jmgc/swift,aschwaighofer/swift,harlanhaskins/swift,nathawes/swift,stephentyrone/swift,stephentyrone/swift,atrick/swift,hooman/swift,hooman/swift,jmgc/swift,stephentyrone/swift,airspeedswift/swift,gregomni/swift,xwu/swift,ahoppen/swift,lorentey/swift,airspeedswift/swift,aschwaighofer/swift,xwu/swift,parkera/swift,ahoppen/swift,gribozavr/swift,CodaFi/swift,airspeedswift/swift,harlanhaskins/swift,jmgc/swift,nathawes/swift,roambotics/swift,gribozavr/swift,hooman/swift,allevato/swift,karwa/swift,aschwaighofer/swift,rudkx/swift,CodaFi/swift,xwu/swift,gribozavr/swift,nathawes/swift,tkremenek/swift,karwa/swift,karwa/swift,aschwaighofer/swift,CodaFi/swift,JGiola/swift,hooman/swift,karwa/swift,apple/swift,jckarter/swift,ahoppen/swift,benlangmuir/swift,apple/swift,aschwaighofer/swift,tkremenek/swift,gribozavr/swift,lorentey/swift,gribozavr/swift,allevato/swift,lorentey/swift,harlanhaskins/swift,rudkx/swift,lorentey/swift,gribozavr/swift,jckarter/swift,airspeedswift/swift,stephentyrone/swift,harlanhaskins/swift,allevato/swift